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troubleshooting no boot
2019 年 02 月 26 日
08:48:08
pinchy
New Member
Forum Posts: 1
Member Since:
2017 年 01 月 17 日
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Ive been using the 86duino as a car pc that plays MP3s for serveral years. It recently stopped working and would not boot and display anything out of the serial port.

I bought a new one and it worked for a while but eventually had the same problem. I noticed the 12v to 5v converter in the car is only outputting 3V and has to be the original cause of the problem. But when plugging it to a PC usb port it still doesnt display anything on the serial port. I verified the PC usb port is outputting 5v and it worked correctly when I tested the new one. Both the green and red internal lights are working.

I took the reflash boot image that makes the LED blink slow fast slow and it does indeed make the LED flash in the correct order. But there is still no communication with the serial port.

Is there some places to start troubleshooting what exactly is wrong with it? Could I send it back for repair?

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